Recalling the effect of mixing a strong acid with a strong base and wise-versa, predict the direction of the following: (a) hno2(aq) + cn- (aq) = hcn(aq) + no2 (aq) (2 marks) (b) hf(aq) + nh3(aq) = f (aq) + nh4+ (aq) (2 marks)
(c) explain the reasoning behind your answers above (1 mark)

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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the answer is definitely c.

the dissolution of polymer can be thermodynamically described in 2 steps.